package database;

import java.awt.EventQueue;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;

import javax.swing.JInternalFrame;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.JButton;

import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

public class Delete extends JInternalFrame {
	Connection conn;
	DatabaseTest main;
	
	private JLabel label;
	private JLabel label_1;
	private JLabel label_2;
	private JTextField serial;
	private JTextField code;
	private JTextField ea;
	private JButton button;
	private JButton button_1;
	private JLabel status;


	/**
	 * Create the frame.
	 */
	public Delete(Connection c, DatabaseTest dt) {
		super("삭제", true, true, true, false);
		setBounds(10, 380, 450, 175);
		getContentPane().setLayout(null);
		getContentPane().add(getLabel());
		getContentPane().add(getLabel_1());
		getContentPane().add(getLabel_2());
		getContentPane().add(getSerial());
		getContentPane().add(getCode());
		getContentPane().add(getEa());
		getContentPane().add(getButton());
		getContentPane().add(getButton_1());
		getContentPane().add(getStatus());
		
		this.conn = c;
		this.main = dt;
	}

	private JLabel getLabel() {
		if (label == null) {
			label = new JLabel("serial");
			label.setBounds(12, 10, 31, 15);
		}
		return label;
	}
	private JLabel getLabel_1() {
		if (label_1 == null) {
			label_1 = new JLabel("code");
			label_1.setBounds(12, 35, 31, 15);
		}
		return label_1;
	}
	private JLabel getLabel_2() {
		if (label_2 == null) {
			label_2 = new JLabel("ea");
			label_2.setBounds(12, 60, 31, 15);
		}
		return label_2;
	}
	private JTextField getSerial() {
		if (serial == null) {
			serial = new JTextField();
			serial.setColumns(10);
			serial.setBounds(55, 7, 258, 21);
		}
		return serial;
	}
	private JTextField getCode() {
		if (code == null) {
			code = new JTextField();
			code.setColumns(10);
			code.setBounds(55, 32, 258, 21);
		}
		return code;
	}
	private JTextField getEa() {
		if (ea == null) {
			ea = new JTextField();
			ea.setColumns(10);
			ea.setBounds(55, 57, 258, 21);
		}
		return ea;
	}
	private JButton getButton() {
		if (button == null) {
			button = new JButton("검색");
			button.addActionListener(new ActionListener() {
				public void actionPerformed(ActionEvent arg0) {
					int s = Integer.parseInt(serial.getText());
					String sql = "select * from ptbl where serial = ?";
					try {
						PreparedStatement pstmt = conn.prepareStatement(sql);
						pstmt.setInt(1, s);
						
						ResultSet rs = pstmt.executeQuery();
						if(rs.next()) {
							code.setText(rs.getString("code"));
							ea.setText("" + rs.getInt("ea"));
						} else {
							status.setText("삭제할 데이터가 없습니다.");
							code.setText("");
							ea.setText("");
							serial.requestFocus();
						}
						rs.close();
						pstmt.close();
					} catch(Exception e) {
						e.printStackTrace();
					}
				}
			});
			button.setBounds(325, 6, 97, 23);
		}
		return button;
	}
	private JButton getButton_1() {
		if (button_1 == null) {
			button_1 = new JButton("삭제");
			button_1.addActionListener(new ActionListener() {
				public void actionPerformed(ActionEvent arg0) {
					int s = Integer.parseInt(serial.getText());
					String sql = "delete from ptbl where serial = ?";
					try {
						PreparedStatement pstmt = conn.prepareStatement(sql);
						pstmt.setInt(1, s);
						pstmt.executeUpdate();
						
						pstmt.close();
						
						status.setText("데이터가 삭제되었습니다.");
						code.setText("");
						ea.setText("");
						serial.requestFocus();
					} catch(Exception e) {
						e.printStackTrace();
					}
				}
			});
			button_1.setBounds(55, 88, 258, 23);
		}
		return button_1;
	}
	private JLabel getStatus() {
		if (status == null) {
			status = new JLabel("검색할 코드를 입력하세요...");
			status.setBounds(12, 121, 410, 15);
		}
		return status;
	}
}
